Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

In the given picture, in how many ways can you read the word "Tiger"?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

What has many teeth, but cannot bite?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Solve the following series:
AZ, GT, MN, __, YB

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?